feat: introduce matchSource match template variable

config/checkstyle/suppressions.xml

@@ -139,8 +139,8 @@
          lines="90,91,92,96,100,104,105,107,264,275,276,284,286,293,294,308,309,359,361,449,495,605,674,710"/>
 
     <!-- matching -->
-    <suppress files="NearString\.java" checks="TypeName" lines="51-55"/>
-    <suppress files="NearString\.java" checks="ParameterNumber" lines="85-150"/>
+    <suppress files="NearString\.java" checks="TypeName" lines="50-70"/>
+    <suppress files="NearString\.java" checks="ParameterNumber"/>
     <suppress files="LevenshteinDistance\.java" checks="LocalVariableName" lines="147,159"/>
 
     <!-- Aligner, AlignFilePickerController, AlignPanelController -->

src/org/omegat/Bundle.properties

@@ -2947,3 +2947,8 @@ DICTIONARY_LOAD_FILE=Loaded dictionary from '{0}': {1} ms
 DICTIONARY_LOAD_ERROR=Error load dictionary from '{0}': {1} 
 DICTIONARY_MANAGER_ERROR_SAVE_IGNORE=Error saving ignore words"
 EDITOR_CONTROLLER_EXCEPTION=bad location exception when changing case
+
+MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_TM=External TM
+MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_FILES=Source Files
+MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_MEMORY=Project
+MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_TM_SUBSEG=Sub-segmented match

src/org/omegat/core/matching/NearString.java

@@ -49,37 +49,81 @@
  */
 public class NearString {
     public enum MATCH_SOURCE {
-        MEMORY, TM, FILES
-    };
+        /** From project memory */
+        MEMORY,
+        /** From external TM in project tm/ folder */
+        TM,
+        /** From source files */
+        FILES,
+        /** From sub-segmented match */
+        SUBSEGMENTS
+    }
 
     public enum SORT_KEY {
-        SCORE, SCORE_NO_STEM, ADJUSTED_SCORE
+        /** normal score */
+        SCORE,
+        /** score without stemming */
+        SCORE_NO_STEM,
+        /** adjusted score */
+        ADJUSTED_SCORE
     }
 
-    public NearString(EntryKey key, ITMXEntry entry, MATCH_SOURCE comesFrom, boolean fuzzyMark,
-                      Scores scores, byte[] nearData, String projName) {
-        this(key, entry.getSourceText(), entry.getTranslationText(), comesFrom, fuzzyMark, scores,
-                nearData, projName, entry.getCreator(), entry.getCreationDate(), entry.getChanger(),
+    /**
+     * Constructor.
+     *
+     * @param key
+     *            entry key
+     * @param entry
+     *            the TMX entry that has source text, translation text, creator,
+     *            creation date, changer, change date and properties.
+     * @param comesFrom
+     *            origin
+     * @param fuzzyMark
+     *            fuzzy or not
+     * @param scores
+     *            score values
+     * @param nearData
+     *            similarity data.
+     * @param projName
+     *            project name.
+     */
+    public NearString(EntryKey key, ITMXEntry entry, MATCH_SOURCE comesFrom, boolean fuzzyMark, Scores scores,
+            byte[] nearData, String projName) {
+        this(key, entry.getSourceText(), entry.getTranslationText(), comesFrom, fuzzyMark, scores, nearData,
+                projName, entry.getCreator(), entry.getCreationDate(), entry.getChanger(),
                 entry.getChangeDate(), entry.getProperties());
     }
 
     /**
      * Constructor, backward compatible.
-     * @param key entry key
-     * @param source source text
-     * @param translation translation text
-     * @param comesFrom origin
-     * @param fuzzyMark fuzzy or not
+     *
+     * @param key
+     *            entry key
+     * @param source
+     *            source text
+     * @param translation
+     *            translation text
+     * @param comesFrom
+     *            origin
+     * @param fuzzyMark
+     *            fuzzy or not
      * @param nearScore
      * @param nearScoreNoStem
      * @param adjustedScore
-     * @param nearData similarity data.
-     * @param projName project name.
-     * @param creator creator name
-     * @param creationDate creation date
-     * @param changer changer name
-     * @param changedDate changer date
-     * @param props properties of entry.
+     * @param nearData
+     *            similarity data.
+     * @param projName
+     *            project name.
+     * @param creator
+     *            creator name
+     * @param creationDate
+     *            creation date
+     * @param changer
+     *            changer name
+     * @param changedDate
+     *            changer date
+     * @param props
+     *            properties of entry.
      */
     @Deprecated
     public NearString(EntryKey key, String source, String translation, MATCH_SOURCE comesFrom,
@@ -110,14 +154,23 @@ private NearString(EntryKey key, String source, String translation, MATCH_SOURCE
 
     /**
      * Merge NearString object.
-     * @param ns NearString to merge.
-     * @param key entry key.
-     * @param entry TMXEntry entry
-     * @param comesFrom origin
-     * @param fuzzyMark fuzzy or not
-     * @param scores similarity score
-     * @param nearData similarity data
-     * @param projName project name
+     *
+     * @param ns
+     *            NearString to merge.
+     * @param key
+     *            entry key.
+     * @param entry
+     *            TMXEntry entry
+     * @param comesFrom
+     *            origin
+     * @param fuzzyMark
+     *            fuzzy or not
+     * @param scores
+     *            similarity score
+     * @param nearData
+     *            similarity data
+     * @param projName
+     *            project name
      * @return NearString merged.
      */
     public static NearString merge(NearString ns, EntryKey key, ITMXEntry entry, MATCH_SOURCE comesFrom,

src/org/omegat/core/statistics/FindMatches.java

@@ -265,8 +265,8 @@ public List<NearString> search(String searchText, boolean requiresTranslation, b
             for (ITMXEntry tmen : en.getValue().getEntries()) {
                 checkStopped(stop);
                 if (tmen.getSourceText() == null) {
-                    // Not all TMX entries have a source; in that case there can
-                    // be no meaningful match, so skip.
+                    // Not all TMX entries have a source; skip it in
+                    // the case, because of no meaningful.
                     continue;
                 }
                 if (requiresTranslation && tmen.getTranslationText() == null) {
@@ -279,6 +279,7 @@ public List<NearString> search(String searchText, boolean requiresTranslation, b
                 processEntry(null, tmen, en.getKey(), NearString.MATCH_SOURCE.TM, false, tmenPenalty);
             }
         }
+
         // travel by all entries for check source file translations
         for (SourceTextEntry ste : project.getAllEntries()) {
             checkStopped(stop);

src/org/omegat/gui/matches/MatchesVarExpansion.java

@@ -90,19 +90,21 @@ public class MatchesVarExpansion extends VarExpansion<NearString> {
     public static final String VAR_DIFF_REVERSED = "${diffReversed}";
     public static final String VAR_SOURCE_LANGUAGE = "${sourceLanguage}";
     public static final String VAR_TARGET_LANGUAGE = "${targetLanguage}";
+    public static final String VAR_MATCH_SOURCE = "${matchSource}";
 
     private static final String[] MATCHES_VARIABLES = { VAR_ID, VAR_SOURCE_TEXT, VAR_DIFF, VAR_DIFF_REVERSED,
             VAR_TARGET_TEXT, VAR_SCORE_BASE, VAR_SCORE_NOSTEM, VAR_SCORE_ADJUSTED, VAR_FILE_NAME_ONLY,
             VAR_FILE_PATH, VAR_FILE_SHORT_PATH, VAR_INITIAL_CREATION_ID, VAR_INITIAL_CREATION_DATE,
-            VAR_CHANGED_ID, VAR_CHANGED_DATE, VAR_FUZZY_FLAG, VAR_SOURCE_LANGUAGE, VAR_TARGET_LANGUAGE };
+            VAR_CHANGED_ID, VAR_CHANGED_DATE, VAR_FUZZY_FLAG, VAR_SOURCE_LANGUAGE, VAR_TARGET_LANGUAGE,
+            VAR_MATCH_SOURCE };
 
     public static List<String> getMatchesVariables() {
         return Collections.unmodifiableList(Arrays.asList(MATCHES_VARIABLES));
     }
 
     public static final String DEFAULT_TEMPLATE = VAR_ID + ". " + VAR_FUZZY_FLAG + VAR_SOURCE_TEXT + "\n"
             + VAR_TARGET_TEXT + "\n" + "<" + VAR_SCORE_BASE + "/" + VAR_SCORE_NOSTEM + "/"
-            + VAR_SCORE_ADJUSTED + "% " + VAR_FILE_PATH + ">";
+            + VAR_SCORE_ADJUSTED + "%" + VAR_MATCH_SOURCE + VAR_FILE_PATH + ">";
 
     public static final Pattern PATTERN_SINGLE_PROPERTY = Pattern.compile("@\\{(.+?)\\}");
     public static final Pattern PATTERN_PROPERTY_GROUP = Pattern
@@ -222,6 +224,22 @@ private String getPropValue(List<TMXProp> props, String type) {
         return null;
     }
 
+    private String expandMatchSource(String localTemplate, NearString.MATCH_SOURCE comesFrom) {
+        switch (comesFrom) {
+        case TM:
+            return localTemplate.replace(VAR_MATCH_SOURCE, OStrings.getString("MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_TM") + " ");
+        case FILES:
+            return localTemplate.replace(VAR_MATCH_SOURCE, OStrings.getString("MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_FILES"));
+        case MEMORY:
+            return localTemplate.replace(VAR_MATCH_SOURCE, OStrings.getString("MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_MEMORY"));
+        case SUBSEGMENTS:
+            return localTemplate.replace(VAR_MATCH_SOURCE, OStrings.getString(
+                    "MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_TM_SUBSEG") + " ");
+        default:
+            return localTemplate.replace(VAR_MATCH_SOURCE, "");
+        }
+    }
+
     @Override
     public String expandVariables(NearString match) {
         // do not modify template directly, so that we can reuse for another
@@ -285,6 +303,9 @@ public String expandVariables(NearString match) {
         } else {
                 localTemplate = localTemplate.replace(VAR_TARGET_TEXT, match.translation);
         }
+
+        localTemplate = expandMatchSource(localTemplate, match.comesFrom);
+
         return localTemplate;
     }
 

test-acceptance/src/org/omegat/gui/matches/MatchesTextAreaTest.java

@@ -53,7 +53,8 @@ public void testFuzzyMatches() throws Exception {
         window.textBox("matches_pane").requireNotEditable();
         Pattern pattern = Pattern.compile("1. Error while reading MT results\\n"
                 + "Erreur lors de la lecture des résultats de TA\\n"
-                + "<\\d+/\\d+/\\d+%\\s*>");
+                + "<\\d+/\\d+/\\d+%\\s*" + OStrings.getString(
+                        "MATCHES_VAR_EXPANSION_MATCH_COMES_FROM_MEMORY") + "\\s*>");
         window.textBox("matches_pane").requireText(pattern);
         closeProject();
     }

test/src/org/omegat/gui/matches/MatchesVarExpansionTest.java

@@ -45,6 +45,7 @@
 import org.omegat.core.data.ProjectProperties;
 import org.omegat.core.data.SourceTextEntry;
 import org.omegat.core.matching.NearString;
+import org.omegat.core.matching.NearString.MATCH_SOURCE;
 import org.omegat.gui.editor.IEditor;
 import org.omegat.gui.editor.IEditorFilter;
 import org.omegat.gui.editor.IEditorSettings;
@@ -208,7 +209,7 @@ public NearString getMockNearString() {
         entry.changeDate = 20020523;
         entry.otherProperties = testProps;
         NearString.Scores scores = new NearString.Scores(20, 40, 60);
-        return new NearString(null, entry, null, false, scores, null, "mock testing project");
+        return new NearString(null, entry, MATCH_SOURCE.TM, false, scores, null, "mock testing project");
     };
 
     private void setupProject(Language sourceLanguage, Language targetLanguage) {